resource "docker_image" "grafana" {
  name = "grafana/grafana-oss:10.1.5"
}

resource "docker_volume" "grafana" {
  name = "grafana"
}

resource "docker_container" "grafana" {
  image      = docker_image.grafana.image_id
  name       = "grafana"
  privileged = false
  must_run   = true

  networks_advanced {
    name = data.docker_network.traefik.name
  }

  networks_advanced {
    name = data.docker_network.public.name
  }

  dynamic "labels" {
    for_each = [
      { label = "traefik.enable", value = "true" },
      { label = "traefik.docker.network", value = data.docker_network.traefik.name },
      { label = "traefik.http.routers.grafana.rule", value = "Host(`grafana.vpn.trygvis.io`)" },
      { label = "traefik.http.routers.grafana.entrypoints", value = "websecure" },
      { label = "traefik.http.routers.grafana.tls.certresolver", value = "linode" },
    ]
    content {
      label = labels.value["label"]
      value = labels.value["value"]
    }
  }

  env = [
    "GF_DATABASE_TYPE=postgres",
    "GF_DATABASE_HOST=[fdf3:aad9:a885:b3a::1]",
    "GF_DATABASE_DATABASE=${postgresql_database.grafana.name}",
    "GF_DATABASE_USER=${postgresql_role.grafana.name}",
    "GF_DATABASE_PASSWORD=${postgresql_role.grafana.password}",
  ]

  volumes {
    volume_name    = docker_volume.grafana.name
    container_path = "/var/lib/grafana"
  }
}